CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
REVENUE
Service fee revenue	$ 1,430,061	$ 1,315,077	$ 1,071,840
Provider relief funding	0	9,110	26,264
OPERATING EXPENSES
Cost of operations, excluding depreciation and amortization	1,264,346	1,123,274	965,902
Lease abandonment charges	0	19,675	0
Depreciation and amortization	115,877	96,694	86,795
Loss on sale and disposal of equipment and other	2,529	1,246	1,200
Loss on impairment	0	0	4,170
Severance costs	946	744	4,353
Total operating expenses	1,383,698	1,241,633	1,062,420
INCOME FROM OPERATIONS	46,363	82,554	35,684
OTHER INCOME AND EXPENSES
Interest expense	50,841	48,830	45,882
Equity in earnings of joint ventures	(10,390)	(10,967)	(7,945)
Non-cash change in fair value of interest rate swaps	(39,621)	(21,670)	2,528
Loss (gain) on extinguishment of debt and related expenses	731	6,044	(4,047)
Other expenses	1,833	1,438	120
Total other expenses	3,394	23,675	36,538
INCOME (LOSS) BEFORE INCOME TAXES	42,969	58,879	(854)
Provision for income taxes	(9,361)	(14,560)	(895)
NET INCOME (LOSS)	33,608	44,319	(1,749)
Net income attributable to noncontrolling interests	22,958	19,592	13,091
NET INCOME (LOSS) ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS	$ 10,650	$ 24,727	$ (14,840)
BASIC NET INCOME (LOSS) PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS (in dollars per share)	$ 0.19	$ 0.47	$ (0.29)
DILUTED NET INCOME (LOSS) PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS (in dollars per share)	$ 0.17	$ 0.46	$ (0.29)
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (in shares)	56,293,336	52,496,679	50,891,791
Diluted (in shares)	57,320,870	53,421,033	50,891,791
Service fee revenue
REVENUE
Service fee revenue	$ 1,278,016	$ 1,166,743	$ 931,722
Revenue under capitation arrangements
REVENUE
Service fee revenue	$ 152,045	$ 148,334	$ 140,118